A pluralistic society boasts many independent centers of power and foundations have an instrumental role in supporting such diversity. Online giving marketplaces are further democratizing philanthropy by empowering donors to support the causes they care about. In this panel discussion, sponsored by the Stanford Center for Social Innovation, experts in the field consider whether such online spaces are simply useful adjuncts to the work of philanthropy—or whether they promise to revolutionize the sector altogether. https://ssir.org/podcasts/entry/online_giving_marketplaces_-_online_giving_markets_niche_or_revolution